Answer: there you go
Step-by-step explanation: That is the answer
2x -20 -1 =0
2x -21=0
2x=21
x= 10.5
The large cup is best to buy. This is because it costs 11 cents per ounce for the medium cup and 11 cents for the large cup as well. You get almost double the amount for the same price with the large cup.
6x - 2x = 16
4x = 16 |divide both sides by 4
<h3>x = 4</h3>